Determining overall operation READ/WRITE.

host/source/cartridge.c

@@ -117,6 +117,8 @@ int detect_console( cartridge *cart, USBtransfer *transfer )
 	return SUCCESS;
 
 error:
+	//always end with resetting i/o
+	io_reset( transfer );
 	return -1;
 
 }
@@ -133,14 +135,54 @@ error:
 
 int detect_mirroring( cartridge *cart, USBtransfer *transfer ) 
 {
+	//always start with resetting i/o
+	io_reset( transfer );
 
 	if ( cart->console == NES_CART ) {
 		//For now just assume mirroring is fixed until start adding support for other mappers
 		cart->mirroring = MIR_FIXED;
 	}
 
+	//always end with resetting i/o
+	io_reset( transfer );
+
 	return SUCCESS;
 
 //error:
+	//always end with resetting i/o
+	//io_reset( transfer );
+//	return -1;
+}
+
+
+//detecting mapper and memories ends up being one big operation
+int detect_map_mem( cartridge *cart, USBtransfer *transfer ) 
+{
+	//always start with resetting i/o
+	io_reset( transfer );
+
+	if ( cart->console == NES_CART && cart->mirroring = MIR_FIXED ) {
+		//if INL-ROM discrete board with EXP0->PRG-ROM /WE
+		//EXP0 pullup test should pass
+		if( exp0_pullup_test(transfer) == SUCCESS ){
+
+		} else {
+		//Potentially some other discrete board without EXP0->WE flash control
+
+		//Some ASIC mappers have fixed mirroring as well
+
+		}
+	//for NROM flashing first verify EXP0 pull up will clock /WE properly
+
+	}
+
+	//always end with resetting i/o
+	io_reset( transfer );
+
+	return SUCCESS;
+
+//error:
+	//always end with resetting i/o
+	//io_reset( transfer );
 //	return -1;
 }

host/source/enums.h

@@ -19,5 +19,11 @@ enum mirroring {
 	MIR_MMC3
 };
 
+enum operations {
+	READ = 10,
+	WRITE,	
+	CHECK
+};
+
 
 #endif

host/source/erase.c

@@ -9,11 +9,7 @@ int erase_nes( USBtransfer *transfer )
 
 	io_reset(transfer);
 
-	//for NROM flashing first verify EXP0 pull up will clock /WE properly
-	check( !exp0_pullup_test(transfer), "EXP0 pullup test failed can't erase PRG-ROM" );
-
 	nes_init(transfer);
-
 	
 	dictionary_call_debug( transfer,   DICT_NES,   DISCRETE_EXP0_PRGROM_WR,   	0x5555,   0xAA,	USB_IN, NULL, 1);
 	dictionary_call_debug( transfer,   DICT_NES,   DISCRETE_EXP0_PRGROM_WR,   	0x2AAA,   0x55,	USB_IN, NULL, 1);

host/source/inlprog.c

@@ -51,12 +51,12 @@ int main(int argc, char *argv[])
 	char *C_value = NULL; //program chr file
 	char *L_value = NULL; //LIBUSB debugging value
 	char *K_value = NULL; //connect to kazzo firmware version #
-	char *O_value = NULL; //start programming at offset base value
+	char *O_value = NULL; //start read/writing at offset base value
 	char *P_value = NULL; //program prg file
 	char *S_value = NULL; //program SNES binary file
 	char *W_value = NULL; //program WRAM/SRAM file
 
-
+	int operation = 0;	//used to denote the overall operation being requested flash/dump/verify etc
 	int index = 0;
 	int rv = 0;
 	opterr = 0;
@@ -139,15 +139,31 @@ int main(int argc, char *argv[])
 
 	//TODO display better help message 
 	if (h_flag) {
-		printf("you've asked for help but the help message still needs created...\n");
+		printf("You've asked for help but the help message still needs created...\n");
 		return 0;
 	}
 
+	//Determine overall operation being performed based on user args
+	//Also don't want to continue if conflicting args are being used
+
+	//flags about input files only used for writes
+	if ( p_flag || i_value || C_value || P_value || S_value || W_value ) {
+		check( d_value == NULL, "input args conflict can't program and dump in same operation.");
+		operation = WRITE;
+	}
+
+	//flags about output files used for reads
+	if ( d_value ) {
+		check( e_flag == 0, "input args conflict can't erase and dump in same operation.");
+		operation = READ;
+	}
+
 	//context set to NULL since only acting as single user of libusb
 	libusb_context *context = NULL;
 
 	//create USBtransfer struct to hold all transfer info
 	USBtransfer *transfer = malloc( sizeof(USBtransfer));	
+
 	//create usb device handle pointer to interact with retro-prog
 	//libusb_device_handle *rprog_handle = NULL;
 	transfer->handle = NULL;
@@ -189,16 +205,16 @@ int main(int argc, char *argv[])
 	cartridge *cart = malloc( sizeof(cartridge));	
 	check_mem(cart);
 
-	//set all cart elements to UNKNOWN
+	//set all cart elements to UNKNOWN and allocate memory object within
 	init_cart_elements(cart);
 
+
 	// -x flag turns off all autodection
 	if (!x_flag) {
 		//attempt to detect board inserted in device
 		check(!detect_console( cart, transfer ), "Problem detecting cartridge.");	
 
 		//detect mapper as much as possible
-		//TODO first step is mirroring for NES boards
 		check(!detect_mirroring( cart, transfer ), "Problem detecting cart mirroring.");	
 
 		//TODO first step for SNES is mapping mode
@@ -206,6 +222,7 @@ int main(int argc, char *argv[])
 		//By this point we know a lot about the cartridge but for things like NES discrete
 		//mappers we'll have to play around with the memory to determine exact mapper
 		//detect board manufacturer/flash memories as much as possible
+		check(!detect_map_mem( cart, transfer ), "Problem detecting cart map & memory.");	
 
 		//detect rom sizes as much as possible